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import { nextTestSetup } from 'e2e-utils'
import fs from 'fs-extra'
import path from 'path'
function extractSourceMappingURL(jsContent) {
// Matches both //# and //@ sourceMappingURL=...
const match = jsContent.match(/\/\/[#@] sourceMappingURL=([^\s]+)/)
expect(match).toBeDefined()
return match ? match[1] : null
}
describe('Middleware source maps', () => {
const { next } = nextTestSetup({
files: __dirname,
})
it('generates a source map for Middleware', async () => {
const middlewareManifest = await next.readJSON(
'.next/server/middleware-manifest.json'
)
for (const key in middlewareManifest.middleware) {
const middleware = middlewareManifest.middleware[key]
expect(middleware.files).toBeDefined()
for (const file of middleware.files) {
const filePath = path.join(next.testDir, '.next', file)
expect(await fs.pathExists(filePath)).toEqual(true)
let sourcemap = decodeURI(
extractSourceMappingURL(await fs.readFile(filePath, 'utf8'))
)
expect(
await fs.pathExists(path.join(path.dirname(filePath), sourcemap))
).toEqual(true)
}
}
})
it('generates a source map for Edge API', async () => {
const middlewareManifest = await next.readJSON(
'.next/server/middleware-manifest.json'
)
for (const key in middlewareManifest.functions) {
const edgeFunction = middlewareManifest.functions[key]
expect(edgeFunction.files).toBeDefined()
for (const file of edgeFunction.files.filter(
(f) => f.includes('server/edge') || f.includes('server/pages')
)) {
const filePath = path.join(next.testDir, '.next', file)
expect(await fs.pathExists(filePath)).toEqual(true)
if (
filePath.endsWith('.js') &&
!filePath.endsWith('/react-loadable-manifest.js')
) {
let sourcemap = decodeURI(
extractSourceMappingURL(await fs.readFile(filePath, 'utf8'))
)
expect(
await fs.pathExists(path.join(path.dirname(filePath), sourcemap))
).toEqual(true)
}
}
}
})
})
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